Table 2 Semen parameters (progressive motility [PM, %], and viability [SV, %]) of bucks with different coat colors (WC, BC, WBC, and BrC; n = 5 each) during summer season (W1-W7; THI > 88.3). Data are presented as means ± standard errors of means (SEM)

W1

86.00 ± 0.22 ^a

85.00 ± 2.08^a

86.50 ± 1.25^a

82.00 ± 1.11 ^a

90.00 ± 1.11^a

90.40 ± 1.11^a

89.40 ± 1.17^a

88.50 ± 1.51 ^a

W2

81.40 ± 0.55 ^a

82.10 ± 1.74 ^a

85.88 ± 1.18^a

80.40 ± 1.24 ^a

89.88 ± 0.55^a

89.20 ± 2.32^a

89.80 ± 1.33^a

88.88 ± 0.74 ^a

W3

70.80 ± 1.52 ^b*

78.80 ± 2.77 ^ab

82.00 ± 1.15^a

71.55 ± 1.10 ^b*

83.32 ± 0.74^b

87.20 ± 0.36^a

86.20 ± 0.52^a

78.55 ± 0.77 ^b*

W4

71.88 ± 1.66 ^b*

77.44 ± 1.67^ab

82.40 ± 1.11^a

69.20 ± 1.25 ^b*

81.02 ± 2.31^b*

86.82 ± 0.55^a

88.20 ± 0.74^a

77.20 ± 0.22 ^b*

W5

72.12 ± 1.92^b*

77.65 ± 1.87^ab

80.75 ± 1.32^ab

66.65 ± 1.36^bc*

79.24 ± 1.11^b*

84.05 ± 1.32^ab

88.31 ± 0.35^a

76.53 ± 0.65^bc*

W6

70.56 ± 2.36^b*

75.71 ± 1.10^b

79.10 ± 1.12^ab

66.92 ± 0.58^bc*

76.21 ± 1.31^b*

84.3 ± 1.22^ab

86.21 ± 0.34^a

72.25 ± 0.84^bc*

W7

63.42 ± 1.22^c*

73.12 ± 1.36^b

75.23 ± 1.09^b

62.32 ± 1.68^c*

71.12 ± 0.88^c*

81.01 ± 1.01^b

81.32 ± 1.01^b

69.53 ± 0.24^c*